MDM Observatory 1.3m Telescope Observing Report for 2025 Sep 29 Observer(s): Jonathan Cohn/John Thorstensen Institution(s): Dartmouth Instrument: Templeton direct Worked for 12 hours (all night) Conditions were Photometric most of the night. No equipment or software problems were encountered. Seeing and Weather: Beg: Seeing 1.5 arcsec, Clear, Winds Calm Mid: Seeing 1.5 arcsec, Clear, Winds Calm End: Seeing 1.5 arcsec, Clear, Winds Calm Observing Summary: A really beautiful night. Cohn and Thorstensen worked with students from Astronomy 61 for the first half, and then Thorstensen did time-series photometry for the second. No problems on the MDM end - some entirely local difficulties on our end with virtual machines and the like. ------------------------------ Submitted on 2025 Sep 30 [6:41:00]